PhoneLifespan

Galaxy S23+ vs Redmi Note 15 5G

vs

Winner

Xiaomi Redmi Note 15 5G

Lifespan decides this one: the Redmi Note 15 5G is supported until Dec 2029 at $6.03 per month of safe use, while the Galaxy S23+ runs out in Feb 2028 ($10.29/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S23+ 69 · Redmi Note 15 5G 71 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Samsung Galaxy S23+ $206
Buy with care$10.29/mo
2023◆ Buy-by Feb 20262028
Xiaomi Redmi Note 15 5G $250
Safe to buy$6.03/mo
2025◆ Buy-by Dec 20272029

Category by category

Display
Galaxy S23+ 70Redmi Note 15 5G 80

The Redmi Note 15 5G's screen is the better one — 6.77-inch amoled, fhd+, 120hz, 3200 nits peak.

Performance
Galaxy S23+ 85Redmi Note 15 5G 48

The Galaxy S23+'s Snapdragon 8 Gen 2 for Galaxy is simply the faster chip.

Camera
Galaxy S23+ 79Redmi Note 15 5G 67

The Galaxy S23+ has the stronger camera system (3 real rear lenses vs 2).

Battery
Galaxy S23+ 74Redmi Note 15 5G 90

5,520mAh vs 4,700mAh — the Redmi Note 15 5G lasts longer between charges.

Software longevity
Galaxy S23+ 24Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 21 months longer than the Galaxy S23+.

Value
Galaxy S23+ 69Redmi Note 15 5G 71

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy S23+Redmi Note 15 5G
Price (street)$206$250
Display6.6-inch Dynamic AMOLED 2X, FHD+, 120Hz6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
ChipsetSnapdragon 8 Gen 2 for GalaxyQualcomm Snapdragon 6 Gen 3
RAM8GB8GB
Storage256GB/512GB256GB/512GB
Battery4,700 mAh5,520 mAh
Charging45W wired, 15W wireless, 4.5W reverse wireless45W wired
Rear cameras50MP main, 12MP ultra-wide, 10MP telephoto 3x108MP main, 8MP ultra-wide
Dimensions157.8 × 76.2 × 7.6 mm164 × 75.4 × 7.4 mm
Weight196 g178 g
Water resistanceIP68IP66
Supported untilFeb 2028Dec 2029

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.